
Since 1949, Slovakia has been divided into a number of kraje. Their number, borders and functions have been changed several times. There are currently eight regions of Slovakia and they correspond to the EU's NUTS 3 level of local administrative units. Each kraj consists of okresy. There are currently 79 districts.

The Banská Bystrica Region is one of the eight regions of Slovakia. It is the largest region by area, and has a lower population density than any other region. The Banská Bystrica region was established in 1923; its borders were last adjusted in 1996. Banská Bystrica consists of 514 municipalities, 24 of which have town status. Its administrative center is the eponymous town of Banská Bystrica, which is also the region's largest town. Other important towns are Zvolen and Brezno.

The Bratislava Region is one of the administrative regions of Slovakia. Its capital is Bratislava. The region was first established in 1923 and its present borders exist from 1996. It is the smallest of the eight regions of Slovakia as well as the most urbanized, most developed and most productive by GDP per capita.

The Košice Region is one of the eight Slovak administrative regions. The region was first established in 1923 and its present borders were established in 1996. It consists of 11 districts (okresy) and 440 municipalities, 17 of which have a town status. About one third of the region's population lives in the agglomeration of Košice, which is its main economic and cultural centre.

The Košice Self-governing Region or the Košice Higher Territorial Unit is one of Slovakia's eight "self-governing regions" whose territory is identical with that of the administrative Košice Region.

The Nitra Region is one of the administrative regions of Slovakia. It was first established in 1923 and from 1996 exists in its present borders. It consists of seven districts and 354 municipalities, from which 16 have a town status. The economy of the region focuses more on agriculture, than in other Slovak regions. Nitra is its seat, largest city, and cultural and economic center.

The Prešov Region, also Priashiv Region is one of the eight Slovak administrative regions and consists of 13 districts (okresy) and 666 municipalities, 23 of which have town status. The region was established in 1996 and is the most populous of all the regions in Slovakia. Its administrative center is the city of Prešov.

The Trenčín Region is one of the eight Slovak administrative regions. It consists of 9 districts (okresy). The region was established in 1996: previously it had been a part of West-Slovak region and partly central Slovak region. Industry is a main branch of region economy.

The Trnava Region is one of the eight Slovak administrative regions. It was established in 1996, before which date most of its districts were parts of Bratislava Region which was established on the founding of Czechoslovakia in 1923. It consists of 251 municipalities, from which 16 have a town status. It is the second most densely populated region in Slovakia.

The Žilina Region is one of the eight Slovak administrative regions and consists of 11 districts (okresy) and 315 municipalities, from which 18 have a town status. The region was established in 1923, however, in its present borders exists from 1996. It is a more industrial region with several large towns. Žilina is the region administrative center and there is a strong cultural environment in Martin.